Foldable diaper bag, changing surface, and play pad assembly

ABSTRACT

A foldable diaper bag, changing surface, and play pad assembly is disclosed. The foldable diaper bag, changing surface, and play pad assembly comprises a circular portion and a rectangular portion attached to and extending outwardly from said circular portion, wherein said circular portion in combination with said rectangular portion define a keyhole shape.

FIELD OF THE INVENTION

The present invention is directed to an assembly which can be folded into a closed configuration comprising a handle for easy carrying, and when unfolded can be used as a diaper bag, a changing pad, and if needed, a soft, warm surface on which an infant can sleep, play, or eat.

BACKGROUND OF THE INVENTION

A variety of different types of blankets, changing pads, and diaper bags are currently available. Conventionally, diapers, wipes, and related products are carried in a diaper bag, and a separate blanket or changing pad is utilized as a surface when changing an infant's diaper. What is needed is an assembly which is easy to carry, and which can be used as a diaper bag, a changing pad, and if needed, a soft, warm surface on which an infant can sleep, play, or eat.

SUMMARY OF THE INVENTION

A foldable diaper bag, changing surface, and play pad assembly, comprising a circular portion and a rectangular portion attached to and extending outwardly from said circular portion, wherein said circular portion in combination with said rectangular portion defines a keyhole shape.

BRIEF DESCRIPTION OF THE DRAWINGS

The invention will be better understood from a reading of the following detailed description taken in-conjunction with the drawings in which like reference designators are used to designate like elements, and in which:

FIG. 1A is a cross-sectional view showing the shape of Applicants' foldable diaper bag, changing surface, and play pad assembly;

FIG. 1B is a cross-sectional view showing the elements of Applicants' foldable diaper bag, changing surface, and play pad assembly;

FIG. 1C is a cross-sectional view showing certain additional elements of Applicants' foldable diaper bag, changing surface, and play pad assembly;

FIG. 1D is a block diagram showing the interior surface of Applicants' foldable diaper bag, changing surface, and play pad assembly;

FIG. 1E is a block diagram showing a central portion and two outer portions comprising Applicants' foldable diaper bag, changing surface, and play pad assembly;

FIG. 2A is a block diagram showing a first embodiment of the exterior surface of Applicants' foldable diaper bag, changing surface, and play pad assembly;

FIG. 2B is a block diagram showing a second embodiment of the exterior surface of Applicants' foldable diaper bag, changing surface, and play pad assembly;

FIG. 3 is a top view of a first folded configuration of Applicants' foldable diaper bag, changing surface, and play pad assembly;

FIG. 4 is a top view of a second folded configuration of Applicants' foldable diaper bag, changing surface, and play pad assembly;

FIG. 5 is a top view of a third folded configuration of Applicants' foldable diaper bag, changing surface, and play pad assembly;

FIG. 6 is a top view of a fourth folded configuration of Applicants' foldable diaper bag, changing surface, and play pad assembly;

FIG. 7 is a top view of a fifth folded configuration of Applicants' foldable diaper bag, changing surface, and play pad assembly;

FIG. 8A is a perspective view showing the layers comprising a laminate material used to form Applicants' foldable diaper bag, changing surface, and play pad assembly;

FIG. 8B is a perspective view of Applicants' foldable diaper bag, changing surface, and play pad assembly; and

FIG. 9 is a perspective view of Applicants' foldable diaper bag, changing surface, and play pad assembly in a completely folded and portable configuration.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

This invention is described in preferred embodiments in the following description with reference to the Figures, in which like numbers represent the same or similar elements. Referring now to FIG. 1A, Applicants' foldable diaper bag, changing surface, and play pad 100 comprises a “keyhole” shape 102.

Referring to FIG. 1B, Applicants' foldable diaper bag, changing surface, and play pad 100 comprising keyhole shape 102 comprises circular portion 130 and rectangular portion 134. Circular portion 130 comprises radius R and peripheral edge 170. Rectangular portion 134 comprises sides 122, 124, and distal end 126.

Circular portion 130 further comprises vertical fold line 121, vertical fold line 123, and vertical centerline 131 passing through center point 101. Vertical fold line 121 is disposed a distance R/2 from centerline 131 in a first direction. Vertical fold line 123 is disposed a distance R/2 from centerline 131 in a second and opposite direction.

In the illustrated embodiment of FIG. 1B, distal end 126 of rectangular portion 134 has a width R. Rectangular portion 134 is symmetrically disposed around vertical centerline 131 such that side 122 is aligned with vertical fold line 121, and such that side 124 is aligned with vertical fold line 123. Sides 122 and 124 comprise a length L, wherein in certain embodiments L is between about 21 inches and about 24 inches.

Referring now to FIG. 1C, circular portion 130 further comprises horizontal centerline 116 passing through center point 101, horizontal fold line 112, and horizontal fold line 114. As those skilled in the art will appreciate, centerline 116 comprises the diameter of circular portion 130. In certain embodiments, circular portion 130 comprises a diameter of between about 4 feet and about 6 feet.

As those skilled in the art will further appreciate, the length of the diameter of circular portion 130 comprises twice the radius R of that circular portion. In the illustrated embodiment of FIG. 1C, horizontal fold line 112 is disposed a distance R/2 from horizontal centerline 116 in a first direction. Horizontal fold line 114 is disposed a distance R/2 from horizontal centerline 116 in a second and opposing direction.

Referring now to FIG. 1E, Applicants' foldable diaper bag, changing surface, and play pad 100 comprises central portion 132, outer portion 136, and outer portion 138. Central portion 132 comprises rectangular portion 134 and the part of circular portion disposed between fold lines 121 and 123. In the illustrated embodiment of FIG. 1E, central portion 132 comprises about 72 percent of the surface area of Applicants' foldable diaper bag, changing surface, and play pad 100. Outer portion 136 comprises about 14 percent of the surface area of Applicants' foldable diaper bag, changing surface, and play pad 100. Outer portion 138 comprises about 14 percent of the surface area of Applicants' foldable diaper bag, changing surface, and play pad 100.

Applicants' foldable diaper bag, changing surface, and play pad 100 is formed from a three layer laminate material. Referring now to FIG. 8A, Applicants' laminate material 20 comprises a first outer layer of material 20 a, a second outer layer of material 20 b, and inner layer of material 20 c.

In certain embodiments, first outer layer of material 20 a comprises a flexible material, such as and without limitation nylon, polyvinylchloride, canvas, cotton, combinations thereof, and the like. In certain embodiments, second outer layer of material 20 b comprises a flexible material, such as and without limitation nylon, polyvinylchloride, canvas, cotton, combinations thereof, and the like. In certain embodiments, third inner layer of material 20 c comprises cellular material, such as and without limitation a flexible polyurethane foam and the like.

In certain embodiments, inner layer 20 c comprises a closed cell flexible foam. In certain embodiments, that closed cell flexible foam further comprises a thermally insulating material having a thermal conductivity λ of less than 0.10 Watt per meter degree Kelvin (W/m K).

Referring now to FIG. 8B, first outer layer 20 a and second outer layer 20 b are joined along seam 820 to enclose inner layer 20 c. In certain embodiments, all or a portion of first outer layer 20 a and second outer layer 20 b are joined by closure means 810. In certain embodiments, closure means 810 comprises a zipper. In certain embodiments, closure means 810 comprises a plurality of snaps. In certain embodiments, closure means 810 comprises hook and loop fasteners. In embodiments of Applicants' invention wherein assembly 100 comprises closure means 810, the inner layer 20 c may be removed and cleaned or replaced.

FIG. 1D shows the outer surface of material 20 a which comprises the interior of Applicant's folded assembly, and the top surface of Applicants' unfolded assembly. In the illustrated embodiment of FIG. 1D, circular portion 130 further comprises periphery 170, tab 162, tab 164, tab 166, and attachment means 180.

First tab 162 comprises a rectangular portion 162 a and attachment means 162 b. First tab 162 is attached to outer portion 136 (FIG. 1E) along periphery 170 and extends outwardly therefrom. Tab 162 is disposed symmetrically around horizontal centerline 116 (FIG. 1C). The distal end of tab 162 comprises attachment means 162 b. Attachment means 162 b can be releaseably attached to closure means 222 (FIG. 2A) when pad 100 is folded into the carrying configuration. Attachment means 162 b in combination with closure means 222 comprise a conventional mechanical attachment device. By “mechanical attachment device,” Applicant means hook and loop fasteners, snaps, zippers, or combinations thereof, and the like. In certain embodiments, first tab 162 comprises a flexible material, such as and without limitation nylon, polyvinylchloride, canvas, cotton, combinations thereof, and the like.

Referring now to FIGS. 1D and 2A, second tab 164 comprises a rectangular portion 164 a and attachment means 164 b disposed on the distal end of rectangular portion 164 a. Second tab 164 is attached to the exterior surface of material 20 b (FIGS. 2, 8) along vertical fold line 121 (FIG. 1B) adjacent the attachment of side 122 (FIG. 1B) to periphery 170, and extends outwardly therefrom. Attachment means 164 b can be releaseably attached to closure means 226 (FIG. 2A) when pad 100 is folded into the carrying configuration. Attachment means 164 in combination with closure means 226 comprise a conventional mechanical attachment device, as defined herein. In certain embodiments, second tab 164 a comprises a flexible material, such as and without limitation nylon, polyvinylchloride, canvas, cotton, combinations thereof, and the like.

Third tab 166 comprises a rectangular portion 166 a and attachment means 166 b disposed on the distal end of portion 166 a. Third tab 166 is attached to the exterior surface of material 20 b (FIGS. 2, 8) along fold line 123 (FIG. 1B) adjacent the attachment of side 124 (FIG. 1B) to periphery 170, and extends outwardly therefrom. Attachment means 166 b can be releaseably attached to closure means 224 (FIG. 2A) when pad 100 is folded into the carrying configuration. Attachment means 166 b in combination with closure means 224 comprise a conventional mechanical attachment device, as defined herein. In certain embodiments, third tab 166 comprises a flexible material, such as and without limitation nylon, polyvinylchloride, canvas, cotton, combinations thereof, and the like.

Attachment means 180 is disposed on rectangular portion 134 adjacent end 126. Referring to FIGS. 1D and 2A, attachment means 180 in combination with closure means 280 comprise a conventional mechanical attachment device. By “mechanical attachment device,” Applicant means hook and loop fasteners, snaps, zippers, or combinations thereof, and the like.

FIG. 2A shows a first embodiment of the outer surface of material 20 b (FIG. 8), which comprises the exterior of Applicants' folded assembly 100, and the bottom of Applicant's unfolded assembly 100. In addition to attachment means 222, 224, and 226, described hereinabove, handle assembly 220 is attached to the outer surface of material 20 b, and closure means 280 is attached to the outer surface of material 20 b symmetrically around centerline 131.

In certain embodiments, Applicants' assembly comprises one or more pockets disposed on the outer surface of the folded configuration. In the illustrated embodiment of FIG. 2B, circular portion 130 further comprises pocket 142, pocket 144, pocket 146, pocket 152, and pocket 154. Pocket 142 is defined by seams 180 a, 180 b, and 180 e. Pocket 144 is defined by seams 180 b, 180 c, and 180 e. Pocket 146 is defined by seams 180 c, 180 d, and 180 e. Pocket 152 is defined by seams 190 a, 190 b, and 190 d. Pocket 154 is defined by seams 190 b, 190 c, and 190 d. In the illustrated embodiment of FIG. 2B, rectangular portion 134 comprises pocket 156 and pocket 158. Pockets 156 and 158 are defined by seams 190 e and 190 f.

In other embodiments, Applicants' assembly comprises pockets 156 and 158 but not pockets 142, 144, 146, 152, or 154. In these embodiments, circular portion 130 does not comprise any pockets such that circular portion comprises a flat surface, while rectangular portion 134 comprises an irregular surface resulting from the objects disposed in pocket 156 and/or pocket 158.

Referring to FIG. 3, Applicant's foldable diaper bag, changing surface, and play pad 100 is shown in the first folded configuration 300. To place assembly 100 into configuration 300, outer portion 138 is folded inwardly along vertical fold line 123 such a portion of periphery 170 touches vertical centerline 131.

Referring to FIG. 4, Applicant's foldable diaper bag, changing surface, and play pad 100 is shown in the second folded configuration 400. To convert configuration 300 (FIG. 3) into configuration 400, outer portion 136 is folded inwardly along vertical fold line 121 such that a portion of side 136 is disposed adjacent vertical centerline 131. Configuration 400 corresponds to the footprint of central portion 132 (FIG. 1E). Point 410 comprises the intersection of vertical centerline 131 and periphery 170. When side 136 is folded inwardly, tab 162 overlays on side 138 and attachment means 162 b contacts, and can be releaseably attached to, closure means 222.

Referring to FIG. 5, Applicant's foldable diaper bag, changing surface, and play pad 100 is shown in the third folded configuration 500. To convert configuration 400 (FIG. 4) into configuration 500, central portion 132 is folded inwardly along horizontal fold line 112 such that point 410 is disposed adjacent horizontal fold line 114.

Referring to FIG. 6, Applicant's foldable diaper bag, changing surface, and play pad 100 is shown in the fourth folded position 600. To convert configuration 500 into configuration 600, configuration 500 is folded inwardly along horizontal fold line 114 such that attachment means 164 b of tab 164 can be releaseably attached to closure means 226, and such that attachment means 166 b of tab 166 can be releaseably attached to closure means 224.

Referring to FIG. 7, Applicant's foldable diaper bag, changing surface, and play pad 100 is shown in the fifth folded position 700. To convert configuration 600 (FIG. 6) into configuration 700, rectangular portion 134 is folded upwardly and threaded underneath handle 220 so that distal end 126 is disposed adjacent the top edge of previously folded portions, and such that attachment means 180 contacts closure means 280. In the illustrated embodiment of FIG. 7, after rectangular portion 134 is folded upwardly, Applicants' foldable diaper bag, changing surface, and play pad 100 comprising folded configuration 700 can be carried using handle assembly 220.

In certain embodiments, handle 220 comprises a flexible material, such as and without limitation nylon, polyvinylchloride, canvas, cotton, combinations thereof, and the like. In certain embodiments, strap 220 is releaseably interconnected to rectangular portion 134 by a mechanical attachment means for easy carrying. By “mechanical attachment means,” Applicant means hook and loop fasteners, snaps, zippers, or combinations thereof, and the like.

Referring to FIG. 9, Applicant's foldable diaper bag, changing surface, and play pad 100 is shown in the completely folded configuration 700.

While the preferred embodiments of the present invention have been illustrated in detail, it should be apparent that modifications and adaptations to those embodiments may occur to one skilled in the art without departing from the scope of the present invention as set forth in the following claims. 

1. A foldable diaper bag, changing surface, and play pad assembly, comprising a circular portion and a rectangular portion attached to and extending outwardly from said circular portion, wherein said circular portion in combination with said rectangular portion define a keyhole shape.
 2. The assembly of claim 1, wherein said circular portion comprises: a periphery; a centerpoint; a vertical centerline passing through said centerpoint; a radius R; a first vertical fold line disposed a distance R/2 a first direction from said vertical centerline; a second vertical fold line disposed a distance R/2 a second direction from said vertical centerline, wherein said first direction is opposite said second direction; wherein said rectangular portion comprises: a first side; a second side, wherein said second side is parallel said first side; wherein said first side is aligned with said first vertical fold line, and wherein said second side is aligned with said second vertical fold line.
 3. The assembly of claim 2, wherein: said assembly comprises a central portion, a first outer portion, and a second outer portion; said central portion comprises said rectangular portion and that part of said circular portion disposed between said first vertical fold line and said second vertical fold line; and said central portion comprises about 72 percent of the surface area of said assembly; said first outer portion comprises about 14 percent of the surface area of said assembly; and said second outer portion comprises about 14 percent of the surface area of said assembly.
 4. The assembly of claim 3, wherein said assembly is formed from a 3 layer laminate comprising a first outer layer, a second outer layer, and an inner layer comprising a flexible foam.
 5. The assembly of claim 4, wherein said first outer layer in combination with said second outer layer forms an enclosure, and wherein all or a portion of said first outer layer and said second outer layer are joined by releaseably closure means.
 6. The assembly of claim 5, wherein said releaseably closure means comprises a zipper.
 7. The assembly of claim 4, wherein said flexible foam comprises a closed cell flexible foam.
 8. The assembly of claim 7, wherein said closed cell flexible foam comprises a thermal conductivity of less than 0.10 Watt per meter degree Kelvin.
 9. The assembly of claim 3, wherein said rectangular portion comprises a plurality of pockets.
 10. The assembly of claim 9, wherein said circular portion comprises a plurality of pockets.
 11. The assembly of claim 3, wherein said circular portion comprises a top surface and an opposing bottom surface, wherein said circular portion further comprises one handle assembly disposed on said bottom surface.
 12. The assembly of claim 11, further comprising: a horizontal centerline passing through said center point; a first attachment tab attached to said first outer portion and comprising a first distal end extending outwardly from said first outer portion, wherein said first attachment tab is symmetrically aligned with said horizontal centerline, wherein said first attachment tab comprises a first closure means disposed on said first distal end; a first attachment means symmetrically disposed around said horizontal centerline on the bottom surface of said second outer portion, wherein said first closure means can be releaseably attached to said first attachment means.
 13. The assembly of claim 12, further comprising: a second attachment tab attached to the bottom surface of said central portion along said first vertical fold line adjacent the attachment of said first side with said periphery, wherein said second attachment tab comprises a second distal end extending outwardly from said first fold line, and wherein said second attachment tab comprises a second closure means disposed on said second distal end; a second attachment means symmetrically disposed around said horizontal centerline adjacent said first fold line on the bottom surface of said central portion, wherein said second closure means can be releaseably attached to said second attachment means.
 14. The assembly of claim 13, further comprising: a third attachment tab attached to the bottom surface of said central portion along said second vertical fold line adjacent the attachment of said second side with said periphery, wherein said third attachment tab comprises a third distal end extending outwardly from said first fold line, and wherein said third attachment tab comprises a third closure means disposed on said third distal end; a third attachment means symmetrically disposed around said horizontal centerline adjacent said second fold line on the exterior surface of said central portion, wherein said third closure means can be releaseably attached to said third attachment means. 